1918 6c orange, n.h., well centered, bright color, with 2021 PSAG certificate graded "95" (SMQ $400) (Cat No. C1) (Image)

Est.$300

1918 24c carmine rose and blue, n.h., well centered with wide margins, with 2008 PSE certificate graded "XF-Sup 95" (SMQ $425) (Cat No. C3) (Image)

Est.$300

1923 8c-24c set of three, each used on Washington, D.C. Aug. 15, 17 and 21, 1923 FDC, locally addressed, minor staple holes at left, fine-v.f. set of First Day Covers, cat. $1750 (Cat No. C4-6) (Image)

Cat. $1750, Est.$300

1923 8c dark green, n.h., near perfect centering, beautiful color, with 2020 PSAG certificate graded "98" (SMQ $450) (Cat No. C4) (Image)

Est.$350

1923 16c dark blue, left margin plate number block of six, n.h., fresh color, fine-v.f., with 2020 PFC, cat. $2000 (Cat No. C5) (Image)

Cat. $2000, Est.$1,000

1923 24c carmine, small h.r., near perfect centering, fresh color, with 2020 PSE certificate graded "Superb 98" (SMQ $240) (Cat No. C6) (Image)

Est.$150

1923 24c carmine, n.h., near perfect centering, fresh color, with 2021 PSAG certificate graded "98" (SMQ $1,200) (Cat No. C6) (Image)

Est.$750

1930 Zeppelin 65c-$2.60 set of three, each well centered, rich colors, tied by clear "Washington D.C. Apr. 19 5PM 1930" First Day duplex datestamp and oval grid cancel on small cover addressed to Richard Stetson, Hollywood, Calif., additional strike of duplex at bottom left., fresh and v.f. First Day Cover, with 1999 PSE certificate, cat. $10000 (Cat No. C13-15) (Image)

Cat. $10000, Est.$5,000

1930 65c green, n.h., bright color, v.f., with 2019 PFC, cat. $240 (Cat No. C13) (Image)

Cat. $240, Est.$150

1930 65c green, block of four, n.h., usual light natural gum creases, v.f. (catalogue value for singles) cat. $960 (Cat No. C13) (Image)

Cat. $960, Est.$500

1930 65c green, used, near perfect centering, with 2021 PSAG certificate graded "98" (SMQ $1,100) (Cat No. C13) (Image)

Est.$700

1930 $1.30 brown, l.h., well centered, with 2019 PFC graded "XF-S 95" (SMQ $475) (Cat No. C14) (Image)

Est.$350

1930 $1.30 brown, n.h., well centered, v.f., with 2021 PSAG certificate, cat. $550 (Cat No. C14) (Image)

Cat. $550, Est.$400

1930 $1.30 brown, n.h., well centered, with 2021 PSAG certificate graded "90" (SMQ $800) (Cat No. C14) (Image)

Est.$600

1930 $1.30 brown, left plate number single, n.h., nicely centered, with 2019 PFC graded "VF 80" (SMQ $650) (Cat No. C14) (Image)

Est.$350

1930 $1.30 brown, used, v.f., with 2018 PFC for a pair from which it originated, cat. $350 (Cat No. C14) (Image)

Cat. $350, Est.$150

1930 $1.30 brown, two plate number singles used on cover addressed to Brazil, with all appropriate cachets, small stain at top, not affecting stamp, fine (Cat No. C14) (Image)

Est.$600

1930 $2.60 blue, l.h., well centered with wide margins, fresh color, with 2019 PFC graded "XF-S 95" (SMQ $725) (Cat No. C15) (Image)

Est.$450

1930 $2.60 blue, n.h., well centered with wide margins, fresh color, with 2019 PSAG certificate graded "95" (SMQ $2,000) (Cat No. C15) (Image)

Est.$850

1930 $2.60 blue, n.h., well centered with wide margins, with 2020 PSAG certificate graded "95" (SMQ $2,000) (Cat No. C15) (Image)

Est.$1,000

1930 $2.60 blue, used, nicely centered, with 2020 PSAG certificate graded "80" (SMQ $600) (Cat No. C15) (Image)

Est.$350

1930 $2.60 blue, used, well centered, with 2020 PSAG certificate graded "90" (SMQ $900) (Cat No. C15) (Image)

Est.$500

1934 6c dull orange, n.h., well centered, with 2021 PSAG certificate graded "95" (SMQ $275) (Cat No. C19) (Image)

Est.$150

1916 (2 Nov) Chicago to New York, stationery 1c card with boxed "Between Sunrise and Sunset - Forwarded from Chicago to New York by New York Times Aeroplane" cachet, with New York arrival, fine (Cat No. AAMC 93) (Image)

Est.$150

1931 (28 July) New York to Istanbul flight "American Legion Convention International Flight" card, Boston 1930 departure and Istanbul 30.7.1931 arrival, with John Risetto's return address, also a cover (some tears) from Russel Boardman, sent Oct 2, 1931 to John Risetto (AAMC TO 1145a) (Image)

Est.$150